Avatar: The Last Airbender: Season 3, Episode 4

3 - 4: Sokka's Master

Feeling as though he isn't contributing enough to the group, Sokka seeks out an elusive swords master from whom he can learn the ways of the blade. But, Sokka soon has doubts whether or not he is worthy. Can Sokka pull himself together or will the gang lose an important team member and friend?